相关单词近义词 introduce 介绍, presentation 介绍, introduction 介绍, promotion 提升, unveiling 揭幕的, inauguration 就职典礼, dispatch 派遣, send off 寄出(逐出, open 开着的, start on 开始进行, present 礼物, hurl 用力投掷, throw 扔, spring 春天, start 开始, fire 火set afloat, 着手, set going 出发(开始), embark on 上（船、飞机等）..., inaugurate 举行就职典礼..., launching 发射, found 建立, set in motion 使 ... 运动, plunge 使投入, establish 建立, set up 建立临近词launcher, laughter, launching, launchman, launch on, launchpad, launchable, launch out, launch pad, launchways, launch cost, launch upon 返回 launched